Premium Filter Cartridges: Compatible with ALL Type B pool filter pumps made by Intex/Bestway/Summer Waves/Polygroup/Etc using Type B Filter Cartridges Made with easy-to-clean Dacron paper for the ultimate filtration Meets and exceeds OEM specifications Manufactured by a leading NSF50/ISO9001 certified factory specialized in water treatment systems Total Filtration Areas: 14 Sq.Ft. Recommended replacement every 2 weeks to keep your pool clean Dimensions: 5.875" (Diameter) x 10" (Height) Quantity: 2 Filter Cartridges Free Ground Shipping! Thank You For Your Support!